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41 lines
1.9 KiB
LLVM
41 lines
1.9 KiB
LLVM
;RUN: llc < %s -march=r600 -mcpu=verde -verify-machineinstrs | FileCheck %s
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; Example of a simple geometry shader loading vertex attributes from the
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; ESGS ring buffer
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; CHECK-LABEL: @main
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; CHECK: BUFFER_LOAD_DWORD
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; CHECK: BUFFER_LOAD_DWORD
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; CHECK: BUFFER_LOAD_DWORD
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; CHECK: BUFFER_LOAD_DWORD
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define void @main([17 x <16 x i8>] addrspace(2)* byval, [32 x <16 x i8>] addrspace(2)* byval, [16 x <32 x i8>] addrspace(2)* byval, [2 x <16 x i8>] addrspace(2)* byval, [17 x <16 x i8>] addrspace(2)* inreg, [17 x <16 x i8>] addrspace(2)* inreg, i32, i32, i32, i32) #0 {
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main_body:
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%10 = getelementptr [2 x <16 x i8>] addrspace(2)* %3, i64 0, i32 1
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%11 = load <16 x i8> addrspace(2)* %10, !tbaa !0
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%12 = shl i32 %6, 2
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%13 = call i32 @llvm.SI.buffer.load.dword.i32.i32(<16 x i8> %11, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 0)
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%14 = bitcast i32 %13 to float
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%15 = call i32 @llvm.SI.buffer.load.dword.i32.i32(<16 x i8> %11, i32 %12, i32 0, i32 0, i32 1, i32 0, i32 1, i32 1, i32 0)
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%16 = bitcast i32 %15 to float
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%17 = call i32 @llvm.SI.buffer.load.dword.i32.i32(<16 x i8> %11, i32 %12, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 0)
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%18 = bitcast i32 %17 to float
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%19 = call i32 @llvm.SI.buffer.load.dword.i32.v2i32(<16 x i8> %11, <2 x i32> <i32 0, i32 0>, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 0)
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%20 = bitcast i32 %19 to float
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call void @llvm.SI.export(i32 15, i32 0, i32 1, i32 12, i32 0, float %14, float %16, float %18, float %20)
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ret void
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}
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; Function Attrs: nounwind readonly
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declare i32 @llvm.SI.buffer.load.dword.i32.i32(<16 x i8>, i32, i32, i32, i32, i32, i32, i32, i32) #1
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; Function Attrs: nounwind readonly
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declare i32 @llvm.SI.buffer.load.dword.i32.v2i32(<16 x i8>, <2 x i32>, i32, i32, i32, i32, i32, i32, i32) #1
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declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
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attributes #0 = { "ShaderType"="1" }
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attributes #1 = { nounwind readonly }
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!0 = metadata !{metadata !"const", null, i32 1}
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